Head and neck
Oral cavity, nose and sinuses, larynx, ear, neck and salivary glands.
17 pages
Lesion
- Aphthous ulcers and reactive oral lesionsCommon benign mouth lesions: painful shallow ulcers (canker sores) and lumps that grow in…
- Benign lesions of the larynxBenign laryngeal lesions change the voice: inflammation, nodules from voice strain, and HPV…
- Caries, gingivitis and periodontitis: the lesion viewPlaque bacteria make acid that dissolves enamel (caries) and inflame the gums (gingivitis)…
- Head and neck squamous cell carcinomaMost are squamous
- Laryngeal carcinomaLaryngeal cancer is a squamous carcinoma of smokers and drinkers
- Leukoplakia and erythroplakiaLeukoplakia is a white patch and erythroplakia a red patch in the mouth with no other…
- Nasopharyngeal carcinoma: EBV, keratinizing and nonkeratinizing typesA cancer of the nasopharynx closely tied to Epstein–Barr virus and to certain regions
- Neck cysts and paragangliomaLumps unique to the neck: embryonic remnant cysts at the side or midline, and paragangliomas at…
- Necrotizing lesions of the nose and upper airwayThree different diseases can destroy the nose and palate: an invasive fungus, an ANCA…
- Odontogenic cysts and tumoursCysts and tumours of the jaws arise from tooth-forming tissues
- Oral infections and the mouth in systemic diseaseThe mouth shows infections (herpes, Candida, fungi) and often gives the first sign of a systemic…
- Pleomorphic adenoma and Warthin tumourPleomorphic adenoma is a mixed tumour with cartilage-like stroma that recurs if shelled out…
- Rhinitis, sinusitis, pharyngitis and tonsillitisViruses and allergens inflame the nose and throat
- Sialadenitis and xerostomiaDry mouth and inflamed salivary glands come from drugs, radiation, autoimmunity, viruses, stones…
- Sinonasal tumoursRare nasal and sinus tumours: a bleeding vascular tumour of teenage boys, inverted papillomas…
- The ear: otitis media, cholesteatoma, otosclerosis and ear tumoursEar disease rarely kills but often impairs hearing: middle ear infection, keratin cysts that…
Topic
A to Z
Educational content on the mechanisms of disease; not a diagnostic or treatment guide and no substitute for a health professional's advice. No doses are given.
Representative model, for educational purposes only.